Term
|
Definition
| a portion of the population that is representative of the population from which it was selected |
|
|
Term
|
Definition
| all possible measurements or outcomes that are of interest to us in a particular study |
|
|
Term
|
Definition
| estimated range of values which is likely to include an unknown population parameter |
|
|
Term
|
Definition
| statement that is capable of being proven false using a test of observed data |
|
|
Term
|
Definition
| hypothesis that given data do not conform with a given null hypothesis |
|
|
Term
|
Definition
| statistic expressing the amount of random sampling error in a survey's results (the larger the margin of error, the less confidence one should have that the poll's reported results are close to the "true" figures) |
|
|
Term
|
Definition
| is the incorrect rejection of a true null hypothesis |
|
|
Term
|
Definition
| is the failure to reject a false null hypothesis |
|
|
Term
|
Definition
| the probability of obtaining a test statistic at least as extreme as the one that was actually observed |
|
|
Term
|
Definition
| the probability that the test will reject the null hypothesis when the null hypothesis is false |
|
|
Term
|
Definition
| a technique remains accurate even if some assumptions aren't met |
|
|
Term
|
Definition
| pre-specified value that determines significance (.05) |
|
|
Term
|
Definition
| standard deviation of a population |
|
|
Term
|
Definition
| standard deviation of a sample |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
| Correlation Coefficient (r) |
|
Definition
| measures the strength of a linear relationship of a sample |
|
|
Term
|
Definition
|
|
Term
|
Definition
| estimates the relationships among variables |
|
|
Term
|
Definition
| the difference between the sample and the estimated function value (actual- predicted) |
|
|
Term
|
Definition
| Sum of Squares of the Error |
|
|
Term
|
Definition
|
|
Term
|
Definition
Independent
Predictor
Explanatory |
|
|
Term
|
Definition
Dependent
Response
Criterion |
|
|
Term
| Coefficient of Determination (r²) |
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| measures the strength of a linear relationship of a population |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
| paired data (before & after) |
|
|
Term
|
Definition
| a probability plot for assessing how closely two data sets agree |
|
|
